I think it's the rotating mass that's interfering with your mental picture. The engine puts out 150 ft lbs without its speed changing. If you suddenly applied greater load (like dropping a clutch pedal), you would get more torque briefly as the speed fell, but this would be coming from the kinetic energy that was already in the flywheel and crankshaft.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.